3M Dual Lock Reclosable Fasteners SJ3550,1 IN X50YD, Type 250, 2 rolls per case, Black

Black, interlocking mushroom-shaped heads (250 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times.
Mates with Type 170, Type 250 or Type 400 stem densities to provide different strength combinations.
Clear, acrylic, tape bonds well to a variety of substrates including metals, glass and plastics such as acrylics, polycarbonate and ABS.
Strong fastener secures with an audible snap, verifying closure
An alternative to screws and bolts, this hidden fastener provides a snug fit and smooth aesthetic appearance.
Features good temperature resistance of 220F (104C).
Best suited for indoor and outdoor use.
UPC: 783555218761

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Details
Color	Black
Dimensions	Overall Length (Imperial) 50 yd Overall Length (Metric) 45.7 m, 45.72 m Overall Width (Imperial) 0.5 in, 0.75 in, 1 in, 2 in, 6 in Overall Width (Metric) 12.7 mm, 19.05 mm, 25.4 mm, 50.8 mm, 152.4 mm Total Tape Thickness without Liner (Imperial) 226 mil Total Tape Thickness without Liner (Metric) 5.74 mm